Model scale Diesel sound simulator module. - YouTube
Soundmodul small petrol / diesel engine with horn (KR-65106) | Astra
Active-Sound.de – Perfekter Auspuff-Sound
Sound Generator: The V8 sound from the speaker
Piko 56191 Sound Module for TRAXX HO / Soundkit für TRAXX H0 | eBay
Sound Modules
Paulo Acoba 🐀 on Twitter: "TIL about Audi's Soundaktor system to add exhaust noise but to also cancel diesel noises by emitting "a low-pitched, roaring sounds" . Audi diesels literally have speakers
All info about Active Sound
Mercedes GLE Coupe C292 Tuning with a Active Sound Module from Chrometec | CHROMETEC.